Off Market Nov 2001 for $415K
$1,300,176
Est. refi paymentEst. refi $2,541/mo
4
bd
3 ba
1,937
sq ft

18878 Walnut Rd, Castro Valley, CA 94546

map-entry

About this home

Single-familyProperty Type
1959Year Built
10,269 sq ftLot Size
$671Est. Price/Sq.Ft.
2 car garageParking
Listed by Dennis Serrao DRE #01251442 Keller Williams Tri-Valley
Bought with Wendy Brown DRE #00876622 RE/MAX IN MOTION
Redfin checked: a minute ago
Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #11113632

Redfin Estimate

$1,300,176
$884K since sold in November 2001$2,000 since July

This home's estimate is 2.8% lower than the average sale price ($1.34M) of 6 comparable homes.

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Earn from this home

Sell
$1,140,917
Est. take-home

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Refinance
$0
Est. cash available

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Rent
$4,099/mo
Redfin rental estimate

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Market trends in 94546, CA

Sale history for 18878 Walnut Rd

Tax history for 18878 Walnut Rd

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds
3
Baths
3
Stories
1
Lot width
Lot depth
Lot size
10,269 Sq. Ft.
Year renovated
1961
Sq. Ft.
1,937
Year built
1959
Style
Single Family Residential
County
Alameda County
APN
084D116802402
Parking Spaces
Basement
Accessible
HOA Dues
Garage
Features
Last updated by owner on Jul 27, 2026.

Property details

Around this home

Schools

Chabot Elementary School

Public K-5 • Assigned • 0.3mi

9/10
Creekside Middle School

Public 6-8 • Assigned • 1.8mi

10/10
Castro Valley High School

Public 9-12 • Assigned • 0.8mi

9/10
Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Climate risks

6/10 Flood Factor

Estimated 60-74% chance of a flood reaching the building in the next 30 years

3/10 Fire Factor

0.46% chance of being in a wildfire in next 30 years

3/10 Heat Factor

7 days above 88° expected this year, 14 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

7/10 Air Factor

12 unhealthy days expected this year, 12 days in 30 years

Provided by First Street

Historical weather

Castro Valley, CA • 94546
Average low and high temperatures (°F)
63
43
64
46
71
49
69
49
73
53
74
54
74
56
79
57
80
58
77
54
65
48
61
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Sun exposure

In this area, properties receive around 11.2 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.2 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.24M – $1.50M

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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2001. This data may not match public records. Learn more.
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GreatSchools Ratings provided by GreatSchools.org.